Clearcutting for Grazing and Croplands Has Destroyed More Than _____

Clearcutting for grazing and croplands has destroyed more than _____ of the preindustrial area of tropical rainforest and, left unchecked, deforestation over the next century could eliminate _____ of all tree species in the Amazon forest.

A) 25%; 30-40%
B) 25%; 40-50%
C) 30%; 75-80%
D) 50%; 40-50%
E) 50%; 75-80%